Product Description Dirty sprockets - no problem: the GSC-1 Gearclean Brush by ParkTool The GSC-1 Gearclean brush with its crescent-shaped scraper effectively removes even the toughest dirt from your sprockets, rear derailleur, chain, and any other part of your bike. This prevents premature wear and ensures smooth and safe operation of the relevant components. Its handy size makes it a practical companion on the road. Features:made of flexible, robust nylonreliably removes dirt from numerous areas on the bikeManufacturer Number: GSC-1 Contents:1 x Manufacturer: Park Tool Company 1185 Eagle Lake Rd Shoreview MN 55126 USA info@parktool.com Distributor: GROFA Action Sports GmbH Otto-Hahn-Straße 17 65520 Bad Camberg Germany info@grofa.com